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Finding the Fourth Proportional to 265,056.56, 397,671.24 and 124,829.36

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Solution

The fourth proportional to 265,056.56, 397,671.24 and 124,829.36 is: 187,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,056.56 : 397,671.24 = 124,829.36 : x
  2. Step 2: Convert to fraction form
    265,056.56/397,671.24 = 124,829.36/x
  3. Step 3: Cross multiply
    265,056.56x = 397,671.24 × 124,829.36
  4. Step 4: Simplify right side
    265,056.56x = 49,641,046,379.61
  5. Step 5: Solve for x
    x = 49,641,046,379.61/265,056.56
  6. Step 6: Final answer
    x = 187,284.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.